If the wound of perianal abscess is serious, it is necessary to go deep into the wound to remove the pus and drain it thoroughly. Perianal abscess is due to the perianal soft tissue and the surrounding interstitial space after acute suppurative infection and the formation of an abscess, due to the perianal area near the bacteria, causing perianal abscess wounds are more likely to be infected, once there is a serious pus, you need to use a thorough rinsing of the wound, and with gauze to wash deep inside the wound to clean the pus, with hydrogen peroxide for rinsing, and finally leave gauze strips for drainage. Currently for perianal abscess, incision and drainage is the main method of treatment, once the diagnosis is clear, incision and drainage should be performed. The surgical approach needs to be chosen based on the location of the abscess. Other methods include incision and drainage of the abscess + one-stage hanging surgery. After the operation of perianal abscess, follow the doctor’s instructions to give timely disinfection and change the medicine, the specific operation is carried out by a professional doctor, according to the condition of the need to strictly change the medicine, to avoid the emergence of postoperative complications, and reduce the recurrence rate as much as possible.